do not drink alcohol in excess with cialis. side effects may include headache, upset stomach, delayed backache or muscle ache. to avoid long-term injury, seek immediate medical help for an erection lasting more than four hours. if you have any sudden decrease or loss in hearing or vision, or if you have any allergic reactions such as rash, hives, swelling of the lips, tongue or throat, or difficulty breathing or swallowing, stop taking cialis and get medical help right away. ask your doctor about cialis for daily use and a 30-tablet free trial. >>> you're looking live at president obama just coming off the stairs of air force one at andrews air force base. cut short his holiday vacation. he left hawaii last night after less than a week there. he had to come back, had to be in washington in time to deal with the looming fiscal cliff just five days away. jessica yellen waiting for him at the white house. great to see you. what can the president do at this point, i guess, is the big question. and are aids still hopeful for a deal